/*
 * Copyright 2012 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.drools.workbench.models.datamodel.rule;

/**
 * This class represents the value of a complex variable inside a DSLSentence.
 * "complex variable" means that the variable has 2 values: id and the real value.
 */
public class DSLComplexVariableValue extends DSLVariableValue {

    private String id;

    public DSLComplexVariableValue() {
    }

    public DSLComplexVariableValue(String id,
                                   String value) {
        super(value);
        this.id = id;
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        DSLComplexVariableValue that = (DSLComplexVariableValue) o;

        if (id != null ? !id.equals(that.id) : that.id != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = super.hashCode();
        result = ~~result;
        result = 31 * result + (id != null ? id.hashCode() : 0);
        result = ~~result;
        return result;
    }

    @Override
    public DSLVariableValue copy() {
        return new DSLComplexVariableValue(id,
                                           getValue());
    }
}
